Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745332 | Process for purifying a crude composition including a monoterpene compound, such as a monocyclic monoterpene alcohol, by layer melt crystallization | Manfred Stepanski, Hans-Peter Brack | 2020-08-18 |
| 10213706 | Process and apparatus for purification of acrylic acid | Matthias Schafer, Andrzej Kuszlik, Herbert Engstler | 2019-02-26 |
| 6074548 | Process for obtaining paraffin or paraffin fractions | Norbert Matzat, Gunther Hildebrand, Ferdinand Richter, Manfred Stepanski, Herbert Engstler +1 more | 2000-06-13 |